The outlines resembled a ghostly look and came from passengers leaving behind dirt and grease marks.
The posters follow questions from passengers on how TfL was going to cover up the marks that were making the white walls stained.
TfL shared that the posters, which feature a “moquette-inspired” silhouette design, aim to clearly direct where priority seating is on the platform.
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TfL put up posters to cover ghost marks on the Elizabeth Line
The posters are being rolled out at Elizabeth Line stations, Bond Street, Farringdon and Liverpool Street.
Commenting on the new posters, Elizbeth Line director Howard Smith told the BBC: “The Elizabeth line has had a transformational effect since opening, providing new, accessible journey options for customers, including at new central London stations.
Have you noticed the ‘ghost’ marks on the Elizabeth line?
Posters are being put up by TfL behind platform benches at a number of stations after passengers left behind grease and dirt marks.
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“These stylish new moquette-inspired designs will enhance the customer experience by protecting the areas behind the seats.”
The ghost marks were first brought up in 2023 by the Mayor of London Sir Sadiq Khan following a question by Baroness Caroline Pidgeon.
The mayor ensured that the walls were regularly being cleaned to make sure they would “remain fresh for decades to come”.
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Telling the former member of the London Assembly, the mayor said: “A rigorous cleaning programme is maintained at all of TfL’s stations to ensure a clean and safe environment for customers.
“However, TfL is exploring new ways to clean the walls behind seating at some of its Elizabeth line stations to try to remove any marks and protect the walls in future.”
The Elizabeth Line first opened in May 2022 and spans 73 miles, running from Reading and Heathrow Airport into Abbey Wood and Shenfield.
